Ryotaro Matsumura defeated Daiki Yoshimura 6-1 6-1 in the M15 Kashiwa 1 round of 32 on hard. The result followed the form book — Ryotaro Matsumura came in leading the head-to-head 1–0. Ryotaro Matsumura extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-08 | M25 Sapporo 2 | Q16 | hard | Ryotaro Matsumura | 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.